KA78XXE/KA78XXAE
Electrical Characteristics (KA7824E) (Continued)
(Refer to test circuit ,0°C < T < 125°C, I = 500mA, V =33V, C = 0.33µF, C =0.1µF, unless otherwise specified)
J
O
I
I
O
KA7824E
Parameter
Symbol
Conditions
Unit
V
Min. Typ. Max.
T =+25°C
23
24
25
J
Output Voltage
V
O
5.0mA ≤ I ≤ 1.0A, P ≤ 15W
O
O
22.8
24 25.25
V = 27V to 38V
I
V = 27V to 38V
-
-
-
-
-
-
-
-
-
17
6
480
240
480
240
8.0
0.5
1
I
Line Regulation (Note1)
Regline T =+25°C
mV
J
V = 30V to 36V
I
I = 5mA to 1.5A
O
15
Load Regulation (Note1)
Quiescent Current
Regload T =+25°C
mV
mA
mA
J
I
= 250mA to 750mA
5.0
5.2
0.1
0.5
-1.5
60
O
I
T =+25°C
J
Q
I
= 5mA to 1.0A
O
Quiescent Current Change
∆I
Q
V = 27V to 38V
I
Output Voltage Drift (Note2) ∆V /∆T
I
= 5mA
O
-
mV/°C
µV/Vo
O
Output Noise Voltage
V
f = 10Hz to 100kHz, T =+25°C
-
N
A
f = 120Hz
V = 28V to 38V
I
Ripple Rejection (Note2)
RR
50
67
-
dB
Dropout Voltage
V
I
= 1A, T =+25°C
-
-
-
-
2
-
-
-
-
V
mΩ
mA
A
Drop
O
J
Output Resistance (Note2)
Short Circuit Current
Peak Current (Note2)
r
O
f = 1kHz
V = 35V, T =+25°C
28
I
230
2.2
SC
I
A
I
T =+25°C
J
PK
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
2. These parameters, although guaranteed, are not 100% tested in production.
9
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
